(0 19 17)(1 20 4)(2 15 10)(3 8 7)(5 11 9)(6 14 12)(13 18 16)
ALLOWS (11/8)-SEQUENCE
1: (8 13 18)

(0 19 17)(1 20 4)(2 15 10)(3 8 16 13 7)(5 11 9)(6 14 12)(18)
2: (2 15 10)

(0 19 17)(1 20 4)(2)(3 8 16 13 7)(5 11 9)(6 14 12)(10)(15)(18)
3: (5 11 9)

(0 19 17)(1 20 4)(2)(3 8 16 13 7)(5)(6 14 12)(9)(10)(11)(15)(18)
4: (3 8 7)

(0 19 17)(1 20 4)(2)(3)(5)(6 14 12)(7 16 13)(8)(9)(10)(11)(15)(18)